Ultrasonic transducer



FIG. 1 is a perspective view of an ultrasonic transducer, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is an elevational view thereof of one side;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is an elevational view thereof of the other side; and

FIG. 6 is a rear elevational view thereof. 

The ornamental design for an ultrasonic transducer, as shown. 